<!-- Basic JavaScript-rendered Hello World -->
<!-- 💯 generate the root node -->
<!-- http://localhost:3000/isolated/final/01.extra-1.html -->

<body>
  <script type="module">
    const rootElement = document.createElement('div')
    rootElement.setAttribute('id', 'root')
    document.body.append(rootElement)
    const element = document.createElement('div')
    element.textContent = 'Hello World'
    element.className = 'container'
    rootElement.append(element)
  </script>
</body>
